1 files changed, 9 insertions, 4 deletions
diff --git a/src/Update/Update.elm b/src/Update/Update.elm
index 76f3f1d..48d3008 100644
--- a/src/Update/Update.elm
+++ b/src/Update/Update.elm
@@ -12,6 +12,7 @@ import Maybe
 import Keyboard (KeyCode)
 import Char
 import Debug
+import List
 
 import Model.Model (..)
 import Model.Timer (..)
@@ -89,10 +90,14 @@ update action model =
     ValidTimerEdition ->
       case model.timerEdition of
         Just timerEdition ->
-          { model
-          | timers <- updateTimerTime timerEdition model.timers
-          , timerEdition <- Nothing
-          }
+          if List.isEmpty timerEdition.numbers
+            then
+              { model | timerEdition <- Nothing }
+            else
+              { model
+              | timers <- updateTimerTime timerEdition model.timers
+              , timerEdition <- Nothing
+              }
         Nothing ->
           { model | timerEdition <- Nothing }
     ReadOnly ->